Donald James Brooks, M.D.
NPI 1801865175ActiveIndividual· Internal Medicine, Hematology & Oncology· Tucson, AZ
Internal Medicine, Hematology & Oncology (M.D.) in Tucson, Arizona, trained at University of Texas Southwestern Medical School at Dallas (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $4,405,790 for 1,587 claims, against $675,486 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 13 companies reporting payments in 2025, $569.59 in all, mostly food and beverage.
Overview
| NPI | 1801865175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 17, 2006 |
| Last updated in NPPES | May 22, 2025 |
| Certified by provider | May 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 20395 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 429 |
|---|---|
| Services billed | 29,852 across 103 procedure codes |
| Paid by Medicare | $675,486 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,587 · 3,043 30-day fills |
|---|---|
| Patients | 327 |
| Total drug cost | $4,405,790 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Medical Oncology |
Medical groups
- Tmc Medical NetworkTucson, AZ · 281 clinicians
- TmconeGreen Valley, AZ · 96 clinicians
Hospital affiliation
- Tucson Medical CenterTucson, AZ
Industry payments (Open Payments)
- 2025$569.59 · 25 payments from 13 companies
- 2024$962.63 · 44 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $105.87 | 4 |
| Abbvie Inc. | $73.17 | 3 |
| Pfizer Inc. | $62.46 | 3 |
| Daiichi Sankyo Inc. | $62.38 | 3 |
| Novartis Pharmaceuticals Corporation | $43.84 | 2 |
What the 2025 payments were for
- Food and Beverage$569.59 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Tucson
- 1093370918
- 1679501282
- 1215340013
- 1508279316
- 1578976379
- 1720491525
- 1164835963
- 1740666973
- 1265962534
- 1689196719
- 1477817971
- 1700857166
All Internal Medicine, Hematology & Oncology providers in Arizona →